Without requests I got:

```Bash
$ fab specs.run
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/fabric/main.py", line 651, in main
    docstring, callables, default = load_fabfile(fabfile)
  File "/usr/lib64/python2.7/site-packages/fabric/main.py", line 165, in load_fabfile
    imported = importer(os.path.splitext(fabfile)[0])
  File "/home/arquivos/prof/topaz/fabfile/__init__.py", line 1, in <module>
    from fabfile import travis, specs
  File "/home/arquivos/prof/topaz/fabfile/travis.py", line 8, in <module>
    import requests
ImportError: No module named requests
```